Exhibit 10-2 The Following Information Was Obtained from Matched Samples

question 74

Multiple Choice

Exhibit 10-2
The following information was obtained from matched samples.
The daily production rates for a sample of workers before and after a training program are shown below.

-Refer to Exhibit 10-2. The null hypothesis to be tested is H₀: _d  0. The test statistic is

• A)-1.96
• B)1.96
• C)0
• D)1.645

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Definitions:

Gabriel's Rebellion

An 1800 slave revolt in Richmond, Virginia, planned by a slave named Gabriel that was thwarted before it could begin.

Black Virginians

African American residents of Virginia, whose history and contributions are integral to the state's identity, including times of slavery and its aftermath.

Peak-to-peak

A measure of the voltage range in an alternating current (AC) signal, from the highest to the lowest point within one cycle.